| 810110 | 810110 - Tungsten (wolfram); articles thereof, including waste and scr |
| 810191 | 810191 - Other :-- Unwrought tungsten, including bars and rods obtaine |
| 810192 | 810192 - Other :-- Bars and rods, other than those obtained simply by |
| 810193 | 810193 - Other :-- Wire |
| 810194 | 810194 - Tungsten (wolfram); unwrought, including bars and rods obtain |
| 810195 | 810195 - -- Bars and rods, Other than those obtained simply by sinteri |
| 810196 | 810196 - Tungsten (wolfram); wire |
| 810197 | 810197 - Tungsten (wolfram); waste and scrap |
| 810199 | 810199 - Tungsten (wolfram); articles n.e.c. in heading no. 8101 |